Jack Bibby is a prospector in the Texas Panhandle. He has also been running a side business for the past couple of years. (Click the icon to view the side business information.) At the end of the recent season, Jack Bibby evaluated his financial results: (Click the icon to view the financial results) Read the requirements. (Click the icon to view additional cost information.) Requirement 1. Should Jack Bibby drop rattles from his product offerings? Support your answer with computations. Begin by calculating the incremental profit from selling rattles. (If a box is not used in the table leave the box empty; do not select a label or enter a zero.) Costs: Incremental profit from selling rattles